Inside the battle of Shah-i-Kot, where the enemy had nothing to lose and U.S. soldiers had to fight for their lives

In the TV commercials they call it "An Army Of One," and the phrase is intended to send a message: in the U.S. armed forces, every person counts. If you take a round, your buddies will come and get you. "The Ranger creed is that you do not leave a fallen comrade on the field of battle," says David Anderson, of Jacksonville, Fla., a former Ranger whose son, Marc Anthony Anderson, followed him into the Army. "I really believed in what the creed says, and Marc did. He said, 'If something happens to me, don't worry, because you'll have a body.'"